package com.jack.controller;


import java.util.Collection;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

import com.jack.dao.UserRepository;
import com.jack.entity.User;

@RestController
public class UserController {

	private static final Logger logger = LoggerFactory.getLogger(UserController.class);
	@Autowired
	private UserRepository userRepository;
	
	@GetMapping("/{id}")
	public User findOne(@PathVariable("id") Long id){
		Object principal = SecurityContextHolder.getContext().getAuthentication().getPrincipal();
		if(principal instanceof UserDetails){
			UserDetails user = (UserDetails)principal;
			Collection<? extends GrantedAuthority> authorities = user.getAuthorities();
			for (GrantedAuthority grantedAuthority : authorities) {
				UserController.logger.info("current user name is {}, role is:{}", user.getUsername(), grantedAuthority);
			}
		}
		
		User user = userRepository.findOne(id);
		return user;
	}
	
	
}
